Home / 187,412.52-258,629.01-102,529.59

Finding the Fourth Proportional to 187,412.52, 258,629.01 and 102,529.59

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Solution

The fourth proportional to 187,412.52, 258,629.01 and 102,529.59 is: 141,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,412.52 : 258,629.01 = 102,529.59 : x
  2. Step 2: Convert to fraction form
    187,412.52/258,629.01 = 102,529.59/x
  3. Step 3: Cross multiply
    187,412.52x = 258,629.01 × 102,529.59
  4. Step 4: Simplify right side
    187,412.52x = 26,517,126,357.41
  5. Step 5: Solve for x
    x = 26,517,126,357.41/187,412.52
  6. Step 6: Final answer
    x = 141,490.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.